MAX6957ATL+ Maxim Integrated Products, MAX6957ATL+ Datasheet
MAX6957ATL+
Specifications of MAX6957ATL+
Related parts for MAX6957ATL+
MAX6957ATL+ Summary of contents
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... Typical Operating Circuit appears at end of data sheet. SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp. ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. ♦ High-Speed 26MHz SPI-/QSPI-™/MICROWIRE™- Compatible Serial Interface ♦ ...
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LED Display Driver and I/O Expander ABSOLUTE MAXIMUM RATINGS Voltage (with Respect to GND) V+ .............................................................................-0.3V to +6V All Other pins................................................-0.3V to (V+ + 0.3V) P4–P31 Current ................................................................±30mA GND Current .....................................................................800mA Continuous Power ...
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LED Display Driver and I/O Expander ELECTRICAL CHARACTERISTICS (continued) (Typical Operating Circuit 2.5V to 5.5V, T PARAMETER SYMBOL Port Sink Current Output Short-Circuit Current I OLSC Port Drive LED Sink Current, ...
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LED Display Driver and I/O Expander __________________________________________Typical Operating Characteristics (R = 39kΩ +25°C, unless otherwise noted.) ISET A OPERATING SUPPLY CURRENT vs. TEMPERATURE 0. 2.5V TO 5.5V 0.36 NO ...
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LED Display Driver and I/O Expander PIN NAME 28 SSOP DIP SSOP TQFN ISET 37, 38 GND DOUT 5–24 ...
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LED Display Driver and I/O Expander Table 1. Port Configuration Map REGISTER Port Configuration for P7, P6, P5, P4 Port Configuration for P11, P10, P9, P8 Port Configuration for P15, P14, P13, P12 ...
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LED Display Driver and I/O Expander P4 TO P31 LED DRIVERS LED DRIVERS AND GPIO OR GPIO SEGMENT OR GPIO DATA DIN SCLK Figure 1. ...
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LED Display Driver and I/O Expander 7-SEGMENT DIGIT 1 VIRTUAL SEGMENTS P10 P11 P12 P13 P14 P15 P16 P17 P18 P19 P20 P21 ...
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LED Display Driver and I/O Expander MICROCONTROLLER SERIAL DATA INPUT SERIAL CS OUTPUT SERIAL CLOCK OUTPUT SERIAL DATA OUTPUT Figure 4. Daisy-Chain Arrangement for Controlling Multiple MAX6957s CS SCLK D15 DIN D14 D13 ...
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LED Display Driver and I/O Expander It is acceptable to clock more than 16 bits into the MAX6957 between taking CS low and taking CS high again. In this case, only the last ...
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LED Display Driver and I/O Expander Table 3. Register Address Map REGISTER No-Op Global Current Configuration Transition Detect Mask Display Test Port Configuration P7, P6, P5, P4 Port Configuration P11, P10, P9, P8 ...
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LED Display Driver and I/O Expander Table 3. Register Address Map (continued) REGISTER Port 11 only (data bit D0. D7–D1 read as 0) Port 12 only (data bit D0. D7–D1 read as 0) ...
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LED Display Driver and I/O Expander Table 3. Register Address Map (continued) REGISTER 8 ports 16–23 (data bits D0–D7) 8 ports 17–24 (data bits D0–D7) 8 ports 18–25 (data bits D0–D7) 8 ports ...
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LED Display Driver and I/O Expander P31 GPIO INPUT CONDITIONING P30 GPIO/PORT OUTPUT LATCH GPIO INPUT CONDITIONING P29 GPIO/PORT OUTPUT LATCH GPIO INPUT CONDITIONING P28 GPIO/PORT OUTPUT LATCH GPIO INPUT CONDITIONING P27 GPIO/PORT ...
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LED Display Driver and I/O Expander Table 4. Power-Up Configuration REGISTER POWER-UP CONDITION FUNCTION Port Register LED Off; GPIO Output Low Bits Global 1/16 (minimum on) Current Shutdown Enabled Configuration ...
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LED Display Driver and I/O Expander Table 5. Configuration Register Format ADDRESS CODE FUNCTION (HEX) Configuration Register 0x04 X = Don’t care bit. Table 6. Shutdown Control (S Data Bit D0) Format ADDRESS ...
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LED Display Driver and I/O Expander Table 9. Global Segment Current Register Format (continued) LED DRIVE TYPICAL SEGMENT FRACTION CURRENT (mA) 6/16 9 7/16 10.5 8/16 12 9/16 13.5 10/16 15 11/16 16.5 ...
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LED Display Driver and I/O Expander Table 11. Even Individual Segment Current Format SEGMENT LED DRIVE CONSTANT FRACTION CURRENT WITH R = 39kΩ (mA) ISET 1/16 1.5 2/16 3 3/16 4.5 4/16 6 ...
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LED Display Driver and I/O Expander Low-Voltage Operation The MAX6957 operates down to 2V supply voltage (although the sourcing and sinking currents are not guaranteed), providing that the MAX6957 is powered Table 12. ...
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LED Display Driver and I/O Expander SPI Routing Considerations The MAX6957’s SPI interface is guaranteed to operate at 26Mbps on a 2.5V supply, and supply typically operates at 50Mbps. This ...
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LED Display Driver and I/O Expander 3V 36 47nF 39kΩ 34 4-WIRE DATA IN 33 4-WIRE CLOCK IN 35 CHIP SELECT ...
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LED Display Driver and I/O Expander (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages ...
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LED Display Driver and I/O Expander (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages TOP VIEW ...
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LED Display Driver and I/O Expander (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) 24 ______________________________________________________________________________________ Package Information ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 25 © 2007 Maxim Integrated Products Package Information (continued registered trademark of Maxim Integrated Products, Inc ...